Buffer overflow in Hoozin Viewer 2, 3, 4.1.5.15 and earlier, 5.1.2.13 and earlier, and 6.0.3.09 and earlier allows remote attackers to execute arbitrary code via specially crafted webpage.
In Loopchain through 2.2.1.3, an attacker can escalate privileges from a low-privilege shell by changing the environment (aka injection in the DEFAULT_SCORE_HOST environment variable).